Shaker mug



FIG. 1 is a perspective view of a shaker mug;

FIG. 2 is a left side view of the shaker mug;

FIG. 3 is a right side view of the shaker mug;

FIG. 4 is a front view of the shaker mug;

FIG. 5 is a rear view of the shaker mug;

FIG. 6 is a top view of the shaker mug; and,

FIG. 7 is a bottom view of the shaker mug.

The broken lines are included for the purpose of illustrating portions of the shaker mug that form no part of the claimed design. 

CLAIM The ornamental design for a shaker mug, as shown and described. 